TY  - JOUR
AU  - A.B. Cripps
TI  - A comparison of some generalizations of Green's relations.
JO  - Semigroup forum
PY  - 1982
SP  - 1
EP  - 10
VL  - 24
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1982__24_134531/
ID  - SF_1982__24_134531
ER  -